Name | Isostatic technology | Method of draining aqueous suspension |
---|---|---|
Material density (apparent) (g/m3) | 0.45–0.75 | 0.17–0.21 |
Temperature factor of linear expansion (1/K) | (5.5–6.1)·10−6 | (4.3–5.3)·10−6 |
Compression strength limit (MPa) | 0.60–0.80 | 0.70–1.10 |
0.85–1.05 | 0.84–1.25 | |
Carbon content (%) | 99.6 | 99.6 |
Thermal conductivity coefficient (W/(m·K); at 2,000 K) | 0.55–0.80 | 0.45–0.55 |
Type of raw material | Density (g/cm3) | Young’s modulus (GPa) | Tensile strength (MPa) | Strain at breaking (%) |
---|---|---|---|---|
Viscose cord fibres | 1.60 | 40 | 500 | 1.25 |
PAN fibres | 1.80 | 230 | 4,500 | 2.00 |
Pitch fibres | 2.00 | 520 | 2,100 | 0.40 |